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Loans and Allowance for Lease and Loan Losses (Schedule of summary loan portfolio) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	$ 806,952	$ 789,517
Net deferred loan costs	10,029	9,908
Allowance for loan losses	(6,620)	(5,954)	$ (7,183)	$ (6,646)
Total net loans	810,361	793,471
Indirect automobile
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	367,293	360,569
Allowance for loan losses	(3,638)	(3,117)	(3,380)	(2,915)
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	281,213	268,640
Allowance for loan losses	(2,153)	(2,009)	(1,159)	(1,080)
Commercial real estate \| Undisbursed construction loans
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	8,801	20,354
Commercial real estate \| Non-residential
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	242,078	228,157
Commercial real estate \| Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	30,334	20,129
Residential Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	43,629	43,726
Allowance for loan losses	(99)	(99)	(286)	(320)
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	90,242	90,554
Allowance for loan losses	(601)	(603)	(1,575)	(1,542)
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	24,575	26,028
Allowance for loan losses	(129)	(126)	$ (783)	$ (789)
Consumer \| Indirect automobile
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	367,293	360,569
Consumer \| Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	15,165	16,276
Consumer \| Other consumer
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	$ 9,410	$ 9,752